Add posdown to user manual

CyprienBosserelle / xbeach_gpu

Lightweight version of XBeach that uses CUDA C to run on the GPU. The code is used to simulate coastal waves, currents, sediment transport and beach morphology changes during extreme events. Visit:

http://cyprienbosserelle.github.io/xbeach_gpu/

GNU General Public License v3.0

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Add posdown to user manual #39

Open davidbenncsiro opened 2 years ago

davidbenncsiro commented 2 years ago

posdown=0 means bathymetry positive down and will result in zb values being multiplied by -1.

default is 1 (bathymetry positive up)

Note that in XBeach, the equivalent is: posdwn=-1 or 1, for bathymetry positive up or down respectively.